2011-3-24 aluminium alloys, carbon steel, crystal microstructure, dislocation density, fracture, necking, tensile testing, yield strength, tensile high strain rate behavior, Johnson–Cook material model, stress wave attenuation, aluminum alloy 7075 T651, IS 2062 mild steel, uncertainty analysis
Cited by: 21High Strain Rate Tensile Behavior of Aluminum Alloy 7075 T651 and IS 2062 Mild Steel April 2011 Journal of Engineering Materials and Technology, Transactions of the
预计阅读时间:7 分钟2020-11-2 Aluminum alloys have drawn considerable attention in the area of automotive lightweight. High strength aluminum alloys are usually deformed at elevated temperatures due to their poor formability at room temperature. In this work, the yield behavior of 7075 aluminum alloy in T6 temper (AA7075-T6) within the temperature ranging from 25 °C to 230 °C was investigated.
Cited by: 3The ductility behavior of an extruded 7075 aluminum alloy was studied using the tensile testing method in a wide range of temperatures (100-450 °C) and strain rates (10-1-10
预计阅读时间:6 分钟2016-1-10 The purpose of the current study is to perform quasi static and high strain rate tensile tests on Al-4.8Cu-1.2Mg alloy under different strain rates ranging from 0.01–3500/s and also at temperatures of 25,100, 200 and 300 °C.The combined effect of strain rate, temperature and stress triaxiality on the material behavior is studied by testing both smooth and notched specimens.
Cited by: 182016-7-18 The flow curves at high temperature for the annealed and rolled conditions are represented in Fig. 2.Hot tensile deformation is a competitive process of work hardening, dynamic softening and the development of voids or cracks , .As opposed to the ambient temperature behavior, it can be seen that the flow stress levels are strongly affected by the applied strain rate.
Cited by: 312012-1-1 The formability of aluminum alloy AA7075 at elevated temperature was investigated through experiment. Stress–strain relationship at different temperatures and forming speeds were investigated through tensile testing. Deep drawing and stretch formability were also tested through limiting drawing ratio (LDR) and limiting dome height (LDH) tests.
Cited by: 1762018-10-30 To compensate the research gap discussed above, a series of uniaxial tensile tests were carried out to obtain the flow behavior of 7075-T6 aluminum alloy at different temperature and strain rates. Effects of deformation conditions on the heat generated from plastic deformation and the work hardening rate of alloy were investigated.
Cited by: 702016-4-1 High strain rate tensile testing of 7017 aluminium alloy samples of length 45 mm and diameter 10 mm (ASTM E8) was carried out using SHTB apparatus.Fig. 2 shows the SHTB equipment with heating system, specification of the specimen used and arrangement for testing. The resistance wire heating method is used to elevated temperature dynamic experiment.
Cited by: 702003-7-15 Uniaxial tensile deformation behavior of three aluminum sheet alloys, Al 5182+1% Mn, Al 5754 and Al 6111-T4, are studied in the warm forming temperature range of 200–350 °C and in the strain rate range of 0.015–1.5 s −1.Approaches have been made to process the selected aluminum sheet alloys so that the microstructural change during warm forming provides adequate recovery favorable to ...
Cited by: 305Investigations on the effect of strain rate on tensile properties of two materials, namely, aluminum alloy 7075 T651 and IS 2062 mild steel, are presented. Experimental studies were carried out on tensile split Hopkinson pressure bar (SHPB) apparatus in the strain rate range of 54–164/s. Uncertainty analysis for the experimental results is presented.
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Download Table High strain rate behavior of materials: tensile loading (from literature) from publication: High Strain Rate Tensile Behavior of Aluminum Alloy 7075 T651 and IS 2062 Mild Steel ...
2021-8-18 Compared to traditional steel alloys, aluminum alloy has the characteristics of low density and high specific strength. In a review paper by Wang [], the application of 7075-T6 aluminum alloy in aircrafts was introduced in detail. 7075-T6 is a high strength aluminum alloy that is widely used in aircraft wing skin, rib web, and other parts.However, the plastic deformation ability of high ...
the low strain rate behavior of AA7075, fewer studies inv estigating the high strain rate behavior of the alloy in the order of 10 2 to 10 3 s -1 hav e been published so far [26, 48, 54,
2015-8-18 High temperature deformation behavior of the 7075 aluminum alloy sheets fabricated by twin roll casting and rolling was investigated by hot tensile tests at different temperatures from 350 to 500 °C and various initial strain rates from 1×10 −3 to 1×10 −2 s −1.The results show that flow stress increased with increasing initial strain rate and decreasing deformation temperature.
2020-11-2 Aluminum alloys have drawn considerable attention in the area of automotive lightweight. High strength aluminum alloys are usually deformed at elevated temperatures due to their poor formability at room temperature. In this work, the yield behavior of 7075 aluminum alloy in T6 temper (AA7075-T6) within the temperature ranging from 25 °C to 230 °C was investigated.
2019-2-20 This is the first study to correlate the observed damage evolution of ambient (298 K) and elevated (480 K) temperatures of quasi-static and dynamically-loaded wrought aluminum alloy 7075 (AA7075) to capture the strain rate and temperature influence on flow behavior with one set of material constants. In this research, an internal state variable (ISV) framework implementing a physically-based ...
A tension version of the split Hopkinson bar or Kolsky apparatus is developed for conducting tests in tension at high rates of strain up to 103 s−1. A number of aluminum, titanium, and steel alloys tested in tension show increasing degrees of rate sensitivity above 10 to 102 s−1. Tests on 6061-T651 and 7075-T6 aluminum show measurable strain-rate sensitivity in tension at the highest ...
2003-7-15 Uniaxial tensile deformation behavior of three aluminum sheet alloys, Al 5182+1% Mn, Al 5754 and Al 6111-T4, are studied in the warm forming temperature range of 200–350 °C and in the strain rate range of 0.015–1.5 s −1.Approaches have been made to process the selected aluminum sheet alloys so that the microstructural change during warm forming provides adequate recovery favorable to ...
Investigations on the effect of strain rate on tensile properties of two materials, namely, aluminum alloy 7075 T651 and IS 2062 mild steel, are presented. Experimental studies were carried out on tensile split Hopkinson pressure bar (SHPB) apparatus in the strain rate range of 54–164/s. Uncertainty analysis for the experimental results is presented.
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The aim of this work is to study the mechanical properties of alloy AA7075 in both T6 and O temper states, in terms of visco-plastic and fracture behavior. Tension and compression tests were carried out starting from the quasi-static loading condition 10-3 up to strain rates as high as 2 x 103 s-1. The high strain rate tests were performed using a Split Hopkinson Tension-Compression Bar (SHTCB ...
High-strength 7075 aluminum alloy is widely used in the aerospace industry. The forming performance of 7075 aluminum alloy is poor at room temperature. Therefore, hot forming is mainly adopted. Electromagnetic forming is a high-speed forming technology that can significantly improve the forming limit of difficult-to-deform materials. However, there are few studies on electromagnetic hot ...
the low strain rate behavior of AA7075, fewer studies inv estigating the high strain rate behavior of the alloy in the order of 10 2 to 10 3 s -1 hav e been published so far [26, 48, 54,
[PDF]2014-8-26 T. S. B. Naser et al. Mechanical Behavior of Multiple-forged Al 7075 Aluminium Alloy – 104 – during the first pass of equal channel angular press (ECAP) is around 1, and this is where the grain refinement occurs. The MF technique provides less homogeneity
In the present research, the static (strain rate about 10 −3 s −1) and dynamic (strain rate about 5 × 10 2 s −1) mechanical behavior of AA6016 alloy sheets (of interest for car body applications), in T4 and T6 temper conditions, were investigated by means of standard static tensile test and the modified Hopkinson bar device. The data ...
[PDF]2018-3-5 The mechanical behaviour of an aluminium alloy is presented in this paper. The study has been carried out to analyse the flow and failure of the aluminium alloy 7075-T73. An experimental study has been planned performing tests of un-notched and notched tensile specimens at low strain rates using a servo-hydraulic machine. High strain rate ...
[PDF]2020-8-6 thick plates of commercial aluminum alloys 2024, 6061, 7075, and 7178 (in selected heat treatments) were tested at room temperature in shear, tensile, and notch-bend tests. Fracture surface morphologies were examined for different strain rates and for both longitudinal and transverse orientations. The several
2003-7-15 Uniaxial tensile deformation behavior of three aluminum sheet alloys, Al 5182+1% Mn, Al 5754 and Al 6111-T4, are studied in the warm forming temperature range of 200–350 °C and in the strain rate range of 0.015–1.5 s −1.Approaches have been made to process the selected aluminum sheet alloys so that the microstructural change during warm forming provides adequate recovery favorable to ...
The aim of this work is to study the mechanical properties of alloy AA7075 in both T6 and O temper states, in terms of visco-plastic and fracture behavior. Tension and compression tests were carried out starting from the quasi-static loading condition 10-3 up to strain rates as high as 2 x 103 s-1. The high strain rate tests were performed using a Split Hopkinson Tension-Compression Bar (SHTCB ...
High Strain Rate Tensile Behavior of Aluminum Alloy 7075 T651 and IS 2062 Mild Steel Investigations on the effect of strain rate on tensile properties of two materials, namely, aluminum alloy 7075 T651 and IS 2062 mild steel, are presented.
High Strain Rate Tensile Behavior Of Aluminum Alloy. Investigations on the effect of strain rate on tensile properties of two materials, namely, aluminum alloy 7075 T651 and IS 2062 mild steel, are Experimental studies were carried out on tensile split Hopkinson pressure bar (SHPB) apparatus in the strain rate range of Uncertainty analysis for the experimental results is
the low strain rate behavior of AA7075, fewer studies inv estigating the high strain rate behavior of the alloy in the order of 10 2 to 10 3 s -1 hav e been published so far [26, 48, 54,
High temperature deformation behavior of the 7075 aluminum alloy sheets fabricated by twin roll casting and rolling was investigated by hot tensile tests at different temperatures from 350 to 500 °C and various initial strain rates from 1×10−3 to 1×10−2 s−1. The results show that flow stress increased with increasing initial strain rate and decreasing deformation temperature.
[PDF]rate and load surfaces during the maturation time for three load directions (0°: rolling direction, ... is a high-strength alloy that provides good stress corrosion cracking resistance. It is ... 1078 Evolution of Mechanical Behavior of Aluminum Alloy Al 7075 during Maturation Time
The fracture behavior for structural aluminum alloys (2024, 6061, 7075, and 7178) was examined in selected heat treatments. The investigation included tensile, shear, and precracked notch-bend specimens fractured at ambient temperature under monotonic loading. Specimens were obtained from thin sheets and thick plates and were tested in longitudinal and transverse orientations at different ...
[PDF]2018-6-3 bar used to decipher failure behaviour of at a variety of strain rates ranging from 730 sec-1 to 2041sec-1. Material and methodology In the present work, the mechanical behavior of Aluminum Alloy 7075-T651 in extruded form was studied under torsion at the strain rate in the range of 730s-1 to 2041s-1. Aluminum alloy 7075-T7651 extruded bars ...
2003-7-15 Uniaxial tensile deformation behavior of three aluminum sheet alloys, Al 5182+1% Mn, Al 5754 and Al 6111-T4, are studied in the warm forming temperature range of 200–350 °C and in the strain rate range of 0.015–1.5 s −1.Approaches have been made to process the selected aluminum sheet alloys so that the microstructural change during warm forming provides adequate recovery favorable to ...
[PDF]2008-7-24 High strain rate properties of metals and alloys R. W. Armstrong*1 and S. M. Walley2 The high strain rate dependence of the flow stress of metals and alloys is described from a dislocation mechanics viewpoint over a range beginning from conventional tension/compression